Doctor profile · Federal record
Dr. Andrew Davidson, M.D.
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Charleston, SC
- NPI 1134121718
- Accepts Medicare
- MIPS 90.7 / 100 · 2023
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
46 Markfield Dr Ste A
Charleston, SC 294076982
(843) 556-7048
fax (843) 556-2938 - Additional location
-
102 Morgan Pl
Summerville, SC 294858106
(843) 832-9588
fax (843) 486-5500 - Mailing address
-
Po Box 603725
Charlotte, NC 282603725
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- October 19, 2023
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- South Carolina #MD20050
- Medicaid
- SC #200507
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134121718. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
13,854
Distinct HCPCS
10
Medicare allowed
$457,001
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J2357 |
Injection, omalizumab, 5 mg | 4,772 | 13 | $38 | |
95004 |
Test for allergy using allergenic extract | 2,680 | 48 | $4 | |
95165 |
Professional service for preparation and provision of 1 or more antigens | 1,805 | 80 | $14 | |
95117 |
Professional service for multiple injections of allergen | 1,019 | 98 | $11 | |
95044 |
Test for allergy using skin patch | 924 | 12 | $5 | |
J0517 |
Injection, benralizumab, 1 mg | 904 | 11 | $166 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 350 | 201 | $86 | |
95024 |
Test for allergy using allergenic extract injected into skin | 323 | 28 | $7 | |
95115 |
Professional service for single injection of allergen | 322 | 30 | $9 | |
94010 |
Test to measure expiratory airflow and volume | 208 | 115 | $25 |
In context: peer comparison
Among 4 peers in Charleston Allergy & Immunology Physician, average services per provider: 445. This provider delivers 31× the peer median.Open Payments
Industry payments received
All-time total
$2,095
Transactions
84
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 26 | $500.47 | |
| Genzyme Corporation | 13 | $432.32 | |
| GlaxoSmithKline, LLC. | 13 | $202.88 | |
| Pharming Healthcare, INC. | 3 | $151.52 | |
| Csl Behring | 4 | $117.54 | |
| BioCryst US Sales Co., LLC | 2 | $100.56 | |
| Sanofi-Aventis U.S. LLC | 1 | $99.99 | |
| Genentech USA, INC. | 4 | $77.12 | |
| Novartis Pharmaceuticals Corporation | 2 | $71.56 | |
| Optinose US, INC. | 3 | $61.77 | |
| Amgen INC. | 4 | $59.67 | |
| Takeda Pharmaceuticals U.S.A., INC. | 2 | $49.68 | |
| Hikma Pharmaceuticals USA | 3 | $48.76 | |
| Grifols USA, LLC | 2 | $46.74 | |
| Regeneron Healthcare Solutions, INC. | 2 | $37.34 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,046
Patients
351
Total drug cost
$144,272
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 220 | 58 | $2,625 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 117 | 52 | $3,424 |
| Fluticasone Propionate | Generic | 112 | 45 | $2,598 |
| Levocetirizine Dihydrochloride | Generic | 112 | 32 | $1,919 |
| Azelastine Hcl | Generic | 70 | 30 | $3,208 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 61 | 14 | $48,229 |
| Gabapentin | Generic | 58 | 0 | $421 |
| Epinephrine | Generic | 49 | 40 | $11,819 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 48 | 11 | $29,433 |
| Ipratropium Bromide | Generic | 48 | 26 | $2,468 |
Frequently asked questions
What is Dr. Andrew Davidson's medical specialty?
Dr. Andrew Davidson practices Allergy & Immunology Physician in Charleston, SC.
Where does Dr. Andrew Davidson practice?
Dr. Andrew Davidson practices at 46 Markfield Dr Ste A, Charleston, SC 294076982. Office phone: 8435567048.
What is Dr. Andrew Davidson's NPI?
Dr. Andrew Davidson's National Provider Identifier (NPI) is 1134121718, issued by NPPES.
Does Dr. Andrew Davidson accept Medicare assignment?
Yes. Dr. Andrew Davidson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Davidson commonly perform?
Top Medicare-reported procedures in 2023: Injection, omalizumab, 5 mg (HCPCS J2357); Test for allergy using allergenic extract (HCPCS 95004); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165). Source: CMS Medicare Physician & Other Practitioners file.